(;
GM[1]
SZ[19]
AW[ec][dc][cd][de][ob][oc][od][pc][qc][rc][rd][ne][of][qf][dq][do][mq][nq][pq][qq][rq][rp][qn]
AB[fd][ed][fc][jc][nb][nc][nd][qd][pd][pe][oe][re][rf][qg][ph][jq][mo][op][pp][qp][qo][ro][pn]
TR[pc]
C[Problem 110. Black to play.  

White has just secured her corner by connecting with the marked stone. What should Black do next ? ]
;B[me]
TE[2]
C[Correct Answer.  

Black should atari with 1, ... ]
;W[nf]
(;B[nh]
C[... then attack with 3. ]
;W[mf];B[le];W[lf]
LB[mf:4]
C[White runs away with 4 and 6, ... ]
;B[ke]
LB[le:5]
C[... inducing Black to secure his territory at the top with 5 and 7. ]
;W[lh]
C[Next, White jumps to 8 and ... ]
;B[mj]
C[... Black turns his moyo on the right into territory. <= ]
)
(;B[mf]
C[Failure.  

Black could drive the white stones toward the bottom with 3. ]
;W[oh];B[oi];W[nh];B[lh];W[ni];B[oj];W[nj];B[ok]
C[Black secures territory on the right with 11. ]
;W[lj];B[ji]
TR[de]
C[After 13, White's stones are still in danger, but Black's moyo at the top is wide open and, with the marked stone in place, its scope is limited. <= ]
)
)